diff --git a/Assistant/Threads/WebApp.hs b/Assistant/Threads/WebApp.hs
index b22b54a8d8..2247037774 100644
--- a/Assistant/Threads/WebApp.hs
+++ b/Assistant/Threads/WebApp.hs
@@ -6,6 +6,7 @@
  -}
 
 {-# LANGUAGE TemplateHaskell, MultiParamTypeClasses #-}
+{-# ViewPatterns, OverloadedStrings #-}
 {-# LANGUAGE CPP #-}
 {-# OPTIONS_GHC -fno-warn-orphans #-}
 
diff --git a/Assistant/WebApp/Types.hs b/Assistant/WebApp/Types.hs
index 974ec28ac3..1dbc146b0f 100644
--- a/Assistant/WebApp/Types.hs
+++ b/Assistant/WebApp/Types.hs
@@ -7,7 +7,7 @@
 
 {-# LANGUAGE TypeFamilies, QuasiQuotes, MultiParamTypeClasses #-}
 {-# LANGUAGE TemplateHaskell, OverloadedStrings, RankNTypes #-}
-{-# LANGUAGE FlexibleInstances, FlexibleContexts #-}
+{-# LANGUAGE FlexibleInstances, FlexibleContexts, ViewPatterns #-}
 {-# LANGUAGE CPP #-}
 {-# OPTIONS_GHC -fno-warn-orphans #-}
 
diff --git a/debian/changelog b/debian/changelog
index 79e56d9496..75c8303ee3 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,6 +1,7 @@
 git-annex (5.20140928) UNRELEASED; urgency=medium
 
   * Adjust cabal file to support building w/o assistant on the hurd.
+  * Support building with yesod 1.4.
 
  -- Joey Hess <joeyh@debian.org>  Mon, 29 Sep 2014 14:07:51 -0400
 
diff --git a/doc/bugs/Req:_Upgrade_to_Yesod_1.4__63___https:__47____47__github.com__47__NixOS__47__nixpkgs__47__pull__47__4391.mdwn b/doc/bugs/Req:_Upgrade_to_Yesod_1.4__63___https:__47____47__github.com__47__NixOS__47__nixpkgs__47__pull__47__4391.mdwn
index f5f6498653..6e01172027 100644
--- a/doc/bugs/Req:_Upgrade_to_Yesod_1.4__63___https:__47____47__github.com__47__NixOS__47__nixpkgs__47__pull__47__4391.mdwn
+++ b/doc/bugs/Req:_Upgrade_to_Yesod_1.4__63___https:__47____47__github.com__47__NixOS__47__nixpkgs__47__pull__47__4391.mdwn
@@ -19,3 +19,6 @@ Latest
 
 # End of transcript or log.
 """]]
+
+> [[fixed|done]], although I have not made a release yet.
+> It's a 1 line change anyhow, just adding ViewPatterns. --[[Joey]]